====== On Debian Bookworm ======

Follow [[https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm|Install Proxmox VE on Debian 12 Bookworm]]


What is missing:
  * ''apt install dnsmasq''
  * 



WARN: missing 'source /etc/network/interfaces.d/sdn' directive for SDN support!


It seems like you have automatic DHCP active, but no gateway configured in the subnet.

<file ini /etc/network/interfaces>
source /etc/network/interfaces.d/*
</file>